Dog backpack



FIG. 1 is a side elevational view of a dog backpack showing our new design in a position of use;

FIG. 2 is a top plan view shown flat;

FIG. 3 is a front elevational view;

FIG. 4 is a side elevational view; and,

FIG. 5 is a bottom plan view shown flat.

The broken line showing of environment in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for dog backpack, as shown and described. 